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Miniature Circuit Breaker

DC Mini Circuit Breaker

DC Mini Circuit Breaker

Overload current tripping characteristic Tripping characteristic curve Circuit break of energy consumptipn ...

It's applied for the overload, short circuit protection in DC circuit, esp. in the communication, electricity, engine etc.

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Rated breaking capacity 6000, C curve, instantaneous tripping 5~10In

Rated  voltage(A)

Type

Type


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1

ADDB7-1/1/1-/C-DC

ADDB7-1/2/1-/C-DC

2

ADDB7-2/1/1-/C-DC

ADDB7-2/2/1-/C-DC

3

ADDB7-3/1/1-/C-DC

ADDB7-3/2/1-/C-DC

4

ADDB7-4/1/1-/C-DC

ADDB7-4/2/1-/C-DC

6

ADDB7-6/1/1-/C-DC

ADDB7-6/2/1-/C-DC

10

ADDB7-10/1/1-/C-DC

ADDB7-10/2/1-/C-DC

16

ADDB7-16/1/1-/C-DC

ADDB7-16/2/1-/C-DC

20

ADDB7-20/1/1-/C-DC

ADDB7-20/2/1-/C-DC

25

ADDB7-25/1/1-/C-DC

ADDB7-25/2/1-/C-DC

32

ADDB7-32/1/1-/C-DC

ADDB7-32/2/1-/C-DC

40

ADDB7-40/1/1-/C-DC

ADDB7-40/2/1-/C-DC

50

ADDB7-50/1/1-/C-DC

ADDB7-50/2/1-/C-DC

63

ADDB7-63/1/1-/C-DC

ADDB7-63/2/1-/C-DC


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Rate voltage of single pole 250V T=4ms

rate voltage of couple pole. 250V T=4ms


Overload current tripping characteristic

Code

Rated

current In(A)

Start state

Testing

current (A)

Limited

current

Appointed

resalt

a

B,C,D

≤63

cold state

1.13In

≤1h

non-trip

b

B,C,D

≤63

following up the A type test

1.45In

<1h

trip

c

B,C,D

≤63

cold state

2.55In

>1s~<60s

trip

>32

>1s~<120s

d

B

all

cold state

3In

≥0.1s

non-trip

C

5In

D

10In

e

B

alls

cold state

5In

0.1s

trip

C

10In

D

20In


Tripping characteristic curve

 B characteristic

C characteristic

D characteristic

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loading capacity curve ( for example 1 pole)

loading ability value

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the allowed load in the operating state    for the related temperature controller and n switches: IDL=InKT(T)Kn(N).


Circuit break of energy consumptipn


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       the current of short circuit

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the current of short circuit

the max energy consumption of B    characteristic single pole

the max energy consumption of C    characteristic single pole


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